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TIb_RadioWaves

Edit 4 …
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external image fmamcompare.gif

For the two images shown on this page, which one has a steady frequency and a changing amplitude?
  • A: The wave labeled "AM" has a steady frequency and a changing amplitude.
  • B: The wave labeled "FM" has a steady frequency and a changing amplitude.
  • C: Wait! Both waves have a steady frequency and a changing amplitude.
  • D: Wait! Neither wave has a steady frequency and a changing amplitude.